---
title: Interacting with Viewsheds
description: Select, Refresh, Delete, Toggle between ASA and TSRF Coloration
---

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# Interacting with Viewsheds

## Select, Refresh, Delete, Toggle between ASA and TSRF Coloration

### Select Viewsheds

You can select all manually added or automatically generated viewsheds on a segment. Click the check box at the top of the viewshed list to select all. Additionally, you can deselect all or some by clicking the respective checkboxes.

### Refresh Viewsheds

To refresh viewsheds, click the select all checkbox at the top of the viewsheds lists. Click the Refresh button, then the viewshed processing will restart.

![refresh viewsheds](https://help.scanifly.com/hs-fs/hubfs/refresh%20viewsheds.gif?width=670&height=393&name=refresh%20viewsheds.gif)

### Delete Viewsheds

To delete all viewsheds, click the big red button that says "Delete all Auto Viewsheds". If you have any manual viewsheds placed that you want deleted, select them by clicking the checkboxes below and then the trash icon.

![](https://help.scanifly.com/hs-fs/hubfs/image-png-Jan-23-2026-05-19-37-1566-PM.png?width=397&height=449&name=image-png-Jan-23-2026-05-19-37-1566-PM.png)

### ASA and TSRF Viewshed Value Coloration

The ASA | TSRF toggle allows you to see the coloration that aligns with the value of ASA or TSRF depending on what you select. Toggle back and forth to see the difference.

🚧 **Viewshed Default 🚧**

The viewsheds default to showing the color of the ASA value, this can be changed in the [Design Presets Settings](https://help.scanifly.com/minimum-asa/tsrf?hsLang=en).

![](https://help.scanifly.com/hs-fs/hubfs/image-png-Jan-23-2026-05-21-49-7295-PM.png?width=1605&height=508&name=image-png-Jan-23-2026-05-21-49-7295-PM.png)

![](https://help.scanifly.com/hs-fs/hubfs/image-png-Jan-23-2026-05-21-08-1027-PM.png?width=1593&height=524&name=image-png-Jan-23-2026-05-21-08-1027-PM.png)

 

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